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Photoperiodism – The Influence of the Length of Light and Dark Periods Upon the Growth of Plants

Shazia Akhtar

Abstract


Light is so obviously important for the well–being of most living things that, as might be expected, there is a wealth of literature describing the results of careful studies of the effect on plants of sunlight and of artificial light, of light of difference colors and of different intensities. The plants in order to flower require a certain day length i.e., the relative length of day and night which is called as photoperiod. The response of plants to the photoperiod expressed in the form of flowering is called as photoperiodism. The knowledge of the phenomenon of photoperiodism has been of great practical importance in developmental growth of plants.

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References


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